Section III. OPERATOR’S TROUBLESHOOTING
3-5. General
a. T h i s s e c t i o n c o n t a i n s t r o u b l e s h o o t i n g i n-
formation for locating and correcting most of the
operating troubles which may develop in the tank
a n d p u m p u n i t .
E a c h m a l f u n c t i o n f o r a n i n-
dividual component, unit, or system is followed by
a list of tests or inspections which will help you to
determine probable causes and corrective actions to
take. You should perform the tests / inspections
b. This manual cannot list all malfunctions that
may
o c c u r , n o r a l l t e s t s , o r i n s p e c t i o ns
a nd
corrective actions. If a malfunction is not listed or is
not corrected by listed corrective actions, notify
your supervisor.
3-6. Operator’s Troubleshooting
For operator’s troubleshooting information, refer
to table 3-2.
and corrective actions in the order listed.
Table 3-2. Operator’s Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE
Step 1.
Step 2.
2. ENGINE
Step 1.
Step 2.
Step 3.
3. ENGINE
Step 1.
Step 2.
FAILS TO START
Check ignition switch for ON position.
Turn ignition switch on.
Check for empty fuel tank.
Refill fuel tank if empty or low.
STARTS BUT FAILS TO CONTINUE RUNNING
Check to determine that choke lever is in proper position.
Position choke lever to obtain smooth running.
Check for empty fuel tank.
Refill fuel tank if empty or low.
Check to see if fuel strainer is dirty.
Clean fuel strainer if dirty.
OVERHEATS
Check for dirty air shroud screen.
Clean screen if dirty.
Check engine for dirty exterior.
Clean engine if dirty.
4. FUEL FLOW FROM NOZZLE LOW
Step 1. Check pump for correct operation and engine speed.
Adjust engine speed.
Step 2. Check suction hose couplings for leakage.
Replace non-metallic washers.
Step 3. Check for dirt in screen of nozzle spout.
Remove screen and clean with solvent.
5.
FILTER/SEPARATOR
LEAKS
FUEL
Step 1. Check filter / separator at top for fuel leaks.
Replace cover gasket.
Step 2. Check filter / separator for other leaks.
If other leaks are found, notify your supervisor.
6. PUMP FAILS TO PUMP PRODUCT
Step 1. Check to see that engine speed is not too low.
Increase engine speed if low.
Step 2. Check to see that pump is primed.
Prime pump if necessary.
Step 3. Check suction hose couplings for leakage.
Replace the non-metallic gaskets.
3-3
